save project

my_Tetris.py

@@ -71,7 +71,18 @@ while True:
                     center[1] -= 1
             elif event.key == locals.K_DOWN:    # 向下
                 if center[0] < 25:
-                    center[0] += 1
+                    center[0] +=1
+
+            elif event.key == locals.K_UP:
+                old_index = index
+                index += 1
+                if index >= len(shape):
+                    index = 0
+                current_shape = shape[index]
+                if check(center) == False:
+                    index = old_index
+                    current_shape = shape[index]
+            
 
     # 将背景图画上去
     screen.blit(background, (0, 0))